Fan In - HP StoreOnce B6000 Series Manual

Each HP D2D 4004/4009 or 4106/41 12 Series Source Appliance can replicate to up to four
Target Appliances.
Each HP D2D 4312 Series Source Appliance can replicate to up to eight Target Appliances.
Each HP D2D 4324 Series Source Appliance can replicate to up to eight Target Appliances.
Figure 6 Fan OUT example for HP D2D4000/4100/4300 Series
HP D2D250x Series
Each HP D2D 250x Series Source Appliance can replicate to up to two Target Appliances.
Figure 7 HP D2D 2500 Fan OUT example

Fan IN

When we talk about FAN IN, we are considering the number of replication Source Appliances
that are supported.
HP B6000 Series
Each HP B6000 Target Appliance can support up to 50 Source Appliances per node.
This equates to up to 100 Target Appliances per couplet and up to 400 Target Appliances
in a maximum four–couplet configuration.
26 Replication